evie/android_kernel_oneplus_msm8998
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Merge "sched: bucketize CPU c-state levels"

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Linux Build Service Account 2016-10-13 12:29:04 -07:00 • committed by Gerrit - the friendly Code Review server
commit a6138ccde2
1 changed files with 6 additions and 1 deletions
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7
kernel/sched/hmp.c
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@ -24,6 +24,8 @@
#include <trace/events/sched.h> #include <trace/events/sched.h>
#define CSTATE_LATENCY_GRANULARITY_SHIFT (6)
const char *task_event_names[] = {"PUT_PREV_TASK", "PICK_NEXT_TASK", const char *task_event_names[] = {"PUT_PREV_TASK", "PICK_NEXT_TASK",
"TASK_WAKE", "TASK_MIGRATE", "TASK_UPDATE", "TASK_WAKE", "TASK_MIGRATE", "TASK_UPDATE",
"IRQ_UPDATE"}; "IRQ_UPDATE"};
@ -99,7 +101,10 @@ sched_set_cpu_cstate(int cpu, int cstate, int wakeup_energy, int wakeup_latency)
rq->cstate = cstate; /* C1, C2 etc */ rq->cstate = cstate; /* C1, C2 etc */
rq->wakeup_energy = wakeup_energy; rq->wakeup_energy = wakeup_energy;
rq->wakeup_latency = wakeup_latency; /* disregard small latency delta (64 us). */
rq->wakeup_latency = ((wakeup_latency >>
CSTATE_LATENCY_GRANULARITY_SHIFT) <<
CSTATE_LATENCY_GRANULARITY_SHIFT);
} }
/* /*